2025 Peterbilt 536, PACCAR, PX-7, 300HP, PACCAR 8 Speed Transmission, Day Cab, , , Stock # 1786580 2025 Peterbilt 536, PACCAR, PX-7, 300HP, PACCAR 8 Speed Transmission, Day Cab. 2 identical units on the ground and ready for up to a 26' body. We can shorten the wheelbase to fit your application if needed.